CN104131635A - Method and platform for constructing peripheral shear wall of prefabricated staircase - Google Patents
Method and platform for constructing peripheral shear wall of prefabricated staircase Download PDFInfo
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- CN104131635A CN104131635A CN201410276140.1A CN201410276140A CN104131635A CN 104131635 A CN104131635 A CN 104131635A CN 201410276140 A CN201410276140 A CN 201410276140A CN 104131635 A CN104131635 A CN 104131635A
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Abstract
The invention discloses a method and platform for constructing a peripheral shear wall of a prefabricated staircase. The platform comprises a rectangular frame (5) and a steel plate (13), wherein the rectangular frame (5) is formed by welding channel bars, and the steel plate (13) is welded to the rectangular frame (5). A group of long supporting legs (6) and a group of short supporting legs (7) are arranged at the two ends of the rectangular frame (5) respectively and support the rectangular frame (5). A first diagonal bracing (8) and a second diagonal bracing (9) are welded between the rectangular frame (5) and each long supporting leg (6) and between the rectangular frame (5) and each short supporting leg (7) respectively. According to the method and platform for constructing the peripheral shear wall of the prefabricated staircase, the construction process is simple, operation is convenient and rapid, the construction progress of the shear wall is not influenced by the concrete strength of a bridging piece beam, the construction efficiency can be effectively improved, and the construction period can be shortened.
Description
Technical field
The present invention relates to periphery shear wall construction method and operation platform between a kind of precast stair, belong to architectural engineering construction technique field.
Background technology
The develop rapidly of modern architecture industry; and Green Architecture Conception is universal; construction party has proposed very high requirement to green construction, implements to concrete aspect, in " green building assessment standard ", propose exactly save land, the requirement of energy-conservation, material-saving, water saving and environmental protection and comfortable space.In building construction process, the normal precast stair that adopts improves construction speed, but because precast stair lifting must lift after bridging piece beam concrete reaches bearing capacity intensity, about about 7 days of time, but after being arranged on 1 day, can install the shear force wall reinforcing steel bar of staircase periphery, reinforcement installation is checked and accepted well rear horse back and is carried out template installation, it is also to complete in 3 days that template is installed consolidation time, therefore, it between the situation that there is no hoisting prefabricated stair is gone downstairs, is exactly a cavity, there is no the operating platform that can allow workman stand, therefore cannot complete the shear force wall reinforcing steel bar of staircase periphery, template is installed, have a strong impact on the construction speed of engineering.In order to address this problem, the construction method of traditional staircase periphery shear wall is: adopt fastener type steel pipe scaffold to set up an operating platform at staircase, reinforcing bar and the template of utilizing this platform to carry out staircase periphery shear wall are installed, complete after shear wall concreting form removal, also need this operating platform to remove, in the time carrying out between last layer stair periphery shear wall construction, need organize workman again to set up new operating platform, set up the required steel tube fastener of platform and also have the materials such as plank to adopt tower crane to hang operation layer.Therefore, not only operation is more loaded down with trivial details for existing staircase periphery shear wall construction method, waste of manpower and financial resources, and also the process of setting up platform can waste the precious time, and affects construction speed.
Summary of the invention
The object of the invention is to, provide a kind of working procedure simple, convenient to operation, and be not subject to bridging piece beam concrete strength to affect the construction speed of shear wall, can effectively improve periphery shear wall construction method and operation platform between the precast stair of efficiency of construction, to overcome prior art deficiency.
Technical scheme of the present invention: a kind of periphery shear wall construction method between precast stair, comprise existing shear wall formwork construction method, in the time that the bridging piece beam concrete of newly building floor does not reach the bearing capacity intensity that precast stair is installed, lift an operation platform with newly building in the staircase of floor building floor in advance, described operation platform can be by complete the staircase in original cavity capping, constructor can stand on this operation platform staircase periphery shear wall is carried out to reinforced-bar binding and template installation, after newly building the reinforced-bar binding and template installation of shear wall on floor, just can build the concrete of this story shear wall, after treating the concrete curing of shear wall, constructor may stand in equally on this operation platform staircase periphery shear wall formwork is removed, then adopt tower crane that operation platform is hung away, be used for the construction of the staircase periphery shear wall of upper strata floor,
The height of described operation platform is higher than newly building floor upper surface 10～20cm.
A kind of operation platform for periphery shear wall construction method between above-mentioned precast stair, comprise and adopt the rectangular frame of channel bar welding and be welded on the steel plate on rectangular frame, adopt respectively group leader's supporting leg and one group of short supporting leg to be supported at the two ends of rectangular frame, and between rectangular frame and long leg and between rectangular frame and short supporting leg, be welded with respectively the first diagonal brace and the second diagonal brace;
Described rectangular frame both sides are connected with one group of turnover panel symmetrically by hinge;
Described rectangular frame both sides of the edge are welded with two groups of suspension ring symmetrically;
Described turnover panel is provided with shape of a hoof breach in the position of welding hanging ring;
Between described long leg, be welded with a cross bar.
Compared with prior art, the invention has the advantages that: the present invention is not in the time that the bridging piece beam concrete of newly building floor reaches the bearing capacity intensity that precast stair is installed, reinforcing bar and template that constructor cannot utilize precast stair to carry out staircase periphery shear wall are installed, in order to speed up the work, the present invention lifts an operation platform with newly building in the staircase of floor building floor in advance, this operation platform is monolithic operation platform, utilize this operation platform by complete the staircase in original cavity capping, therefore, constructor may stand in reinforcing bar and the template installation of on this platform, carrying out staircase periphery shear wall, after this operation platform is finished using, hung away by tower crane, continue on for the construction of the staircase periphery shear wall of upper strata floor.Therefore, adopt the present invention to carry out periphery shear wall construction between precast stair, working procedure is simple, and does not repeat to set up scaffolding platform, convenient to operation, effectively improves construction speed., after disposable the completing of operation platform in the present invention, can reuse meanwhile, save material.
Brief description of the drawings
Fig. 1 is the front view that in the present invention, operation platform is implemented schematic diagram;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the lateral view of operation platform in the present invention.
Description of reference numerals: 1-precast stair, 2-has built floor, and 3-newly builds floor, 4-shear wall, 5-rectangular frame, 6-long leg, the short supporting leg of 7-, 8-the first diagonal brace, 9-the second diagonal brace, 10-suspension ring, 11-turnover panel, 12-staircase, 13-steel plate, 14-hinge, 15-cross bar.
Detailed description of the invention
In order to make the object of the invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only for explaining the present invention, is not intended to limit the present invention.
While adopting the present invention to carry out between precast stair periphery shear wall construction, first the size between the precast stair of job site is measured, comprising the vertical height of length, width and the precast stair of staircase, and then determine the size of needed operation platform.The step of making operation platform of the present invention comprises a rectangular frame 5 of employing channel bar welding, then on rectangular frame 5, weld a steel plate 13 that 3mm is thick, by complete rectangular frame 5 capping, adopt respectively group leader's supporting leg 6 and one group short supporting leg 7 by its support at the two ends of rectangular frame 5 simultaneously, and between rectangular frame 5 and long leg 6 and between rectangular frame 5 and short supporting leg 7, be welded with respectively the first diagonal brace 8 and the second diagonal brace 9, and between long leg 6, weld a cross bar 15, in order to strengthen the rigidity of whole operation platform; Then connect symmetrically one group of turnover panel 11 in rectangular frame 5 both sides by hinge 14, and be welded with symmetrically two groups of suspension ring 10 in rectangular frame 5 both sides of the edge; For turnover panel 11 can freely be overturn on rectangular frame 5, described turnover panel 11 is provided with shape of a hoof breach in the position of welding hanging ring 10, thereby avoids suspension ring 10.
After operation platform of the present invention completes, for accelerating construction progress, can be in the time that the bridging piece beam concrete of newly building floor 3 reach the bearing capacity intensity that precast stair 1 is installed, building floor 2 and this operation platform of the interior lifting of staircase 12 of newly building floor 3 in advance, after operation platform lifts, the height of operation platform is now higher than newly building floor 3 upper surface 10cm, the lifting of constructability platform later stage, then open the turnover panel 11 on operation platform, make operation platform by complete the staircase in original cavity 12 capping, therefore, constructor can stand on this operation platform staircase 12 periphery shear walls 4 are carried out to reinforced-bar binding and template installation, easy construction safety.After the reinforced-bar binding and template installation of shear wall 4 on newly building floor 3, just can build the concrete of this story shear wall 4, after treating the concrete curing of shear wall 4, constructor may stand on this operation platform equally by staircase 12 periphery shear wall 4 form removables, then adopt tower crane that operation platform is hung away, continue on for the construction of the staircase periphery shear wall of upper strata floor; Finally, precast stair is lifted on and builds floor 2 and newly build in the staircase 12 of floor 3, complete whole staircase periphery shear wall construction process.
Claims (7)
1. periphery shear wall construction method between a precast stair, comprise existing shear wall formwork construction method, it is characterized in that: in the time that the bridging piece beam concrete of newly building floor (3) does not reach the bearing capacity intensity that precast stair (1) is installed, lift an operation platform with newly building in the staircase (12) of floor (3) building floor (2) in advance, described operation platform can be by the staircase in original cavity (12) capping completely, constructor stands on this operation platform staircase (12) periphery shear wall (4) is carried out to reinforced-bar binding and template installation, after newly building the reinforced-bar binding and template installation of the upper shear wall (4) of floor (3), just can build the concrete of this story shear wall (4), after treating the concrete curing of shear wall (4), constructor may stand on this operation platform equally by staircase (12) periphery shear wall (4) form removable, then adopt tower crane that operation platform is hung away, continue on for the construction of the staircase periphery shear wall of upper strata floor.
2. periphery shear wall construction method between precast stair according to claim 1, is characterized in that: the height of described operation platform is higher than newly building floor (3) upper surface 10～20cm.
3. the operation platform for periphery shear wall construction method between the precast stair described in claim 1 or 2, comprise and adopt the rectangular frame (5) of channel bar welding and be welded on the steel plate (13) on rectangular frame (5), it is characterized in that: adopt respectively group leader's supporting leg (6) and one group of short supporting leg (7) to be supported at the two ends of rectangular frame (5), and between rectangular frame (5) and long leg (6) and between rectangular frame (5) and short supporting leg (7), be welded with respectively the first diagonal brace (8) and the second diagonal brace (9).
4. operation platform according to claim 3, is characterized in that: described rectangular frame (5) both sides are connected with one group of turnover panel (11) symmetrically by hinge (14).
5. operation platform according to claim 3, is characterized in that: described rectangular frame (5) both sides of the edge are welded with two groups of suspension ring (10) symmetrically.
6. operation platform according to claim 4, is characterized in that: described turnover panel (11) is provided with shape of a hoof breach in the position of welding hanging ring (10).
7. operation platform according to claim 3, is characterized in that: between described long leg (6), be welded with a cross bar (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276140.1A CN104131635B (en) | 2014-06-20 | 2014-06-20 | Method and platform for constructing peripheral shear wall of prefabricated staircase |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276140.1A CN104131635B (en) | 2014-06-20 | 2014-06-20 | Method and platform for constructing peripheral shear wall of prefabricated staircase |
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| Publication Number | Publication Date |
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| CN104131635A true CN104131635A (en) | 2014-11-05 |
| CN104131635B CN104131635B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410276140.1A Active CN104131635B (en) | 2014-06-20 | 2014-06-20 | Method and platform for constructing peripheral shear wall of prefabricated staircase |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790564A (en) * | 2014-12-01 | 2015-07-22 | 中国建筑股份有限公司 | Assembly type concrete stairwell external wall structure and construction method thereof |
| CN110397267A (en) * | 2019-07-15 | 2019-11-01 | 五冶集团上海有限公司 | Staircase shear wall formwork installation method |
| CN113047548A (en) * | 2021-03-10 | 2021-06-29 | 陕西华山建设集团有限公司 | Hoisting construction method for steel stairs in irregular plate column shear wall structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168483A (en) * | 2011-03-23 | 2011-08-31 | 浙江南湖建设有限公司 | Flexible construction platform of suspension cable |
| CN202170629U (en) * | 2011-07-07 | 2012-03-21 | 中建三局第一建设工程有限责任公司 | Stair hall operation platform |
| CN102839812A (en) * | 2012-09-13 | 2012-12-26 | 中建三局建设工程股份有限公司 | Intelligent construction platform for construction of super high-rise building |
| CN203924652U (en) * | 2014-06-20 | 2014-11-05 | 中国建筑第四工程局有限公司 | The operation platform of periphery shear wall between a kind of precast stair |
-
2014
- 2014-06-20 CN CN201410276140.1A patent/CN104131635B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168483A (en) * | 2011-03-23 | 2011-08-31 | 浙江南湖建设有限公司 | Flexible construction platform of suspension cable |
| CN202170629U (en) * | 2011-07-07 | 2012-03-21 | 中建三局第一建设工程有限责任公司 | Stair hall operation platform |
| CN102839812A (en) * | 2012-09-13 | 2012-12-26 | 中建三局建设工程股份有限公司 | Intelligent construction platform for construction of super high-rise building |
| CN203924652U (en) * | 2014-06-20 | 2014-11-05 | 中国建筑第四工程局有限公司 | The operation platform of periphery shear wall between a kind of precast stair |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790564A (en) * | 2014-12-01 | 2015-07-22 | 中国建筑股份有限公司 | Assembly type concrete stairwell external wall structure and construction method thereof |
| CN104790564B (en) * | 2014-12-01 | 2017-03-22 | 中国建筑股份有限公司 | Assembly type concrete stairwell external wall structure and construction method thereof |
| CN110397267A (en) * | 2019-07-15 | 2019-11-01 | 五冶集团上海有限公司 | Staircase shear wall formwork installation method |
| CN113047548A (en) * | 2021-03-10 | 2021-06-29 | 陕西华山建设集团有限公司 | Hoisting construction method for steel stairs in irregular plate column shear wall structure |
| CN113047548B (en) * | 2021-03-10 | 2022-04-29 | 陕西华山建设集团有限公司 | Hoisting construction method for steel stairs in irregular plate column shear wall structure |
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| Publication number | Publication date |
|---|---|
| CN104131635B (en) | 2017-05-17 |
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